Cita APA (7th ed.)

Hurley, P. J. (2000). A concise introduction to logic (7th ed.). Wadsworth.

Cita Chicago (17th ed.)

Hurley, Patrick J. A Concise Introduction to Logic. 7th ed. Belmont, CA: Wadsworth, 2000.

Cita MLA (9th ed.)

Hurley, Patrick J. A Concise Introduction to Logic. 7th ed. Wadsworth, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.